Domestic violence is a broad subject, and thus many prominent sites talk about it from a plethora of perspectives. http://www.womenagainstabuse.org/, for example, gathers women victims of domestic violence and also organizes culinary events for them.
On the other hand, uses all legal tools to fight domestic violence. We share the same goal which is reducing the tolerance for domestic violence to zero. This means that the partner that abuses their family should receive harsh punishments for that.
Then there is http://www.theadvocatesforhumanrights.org/ that provides legal assistance to women all around the world. All of them post interesting articles you should check.